Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It operates three factory sites at Jinan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 staff, including 247 engineers and technicians, and 82 intermediate-level technical personnel. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was named a "Specialized and New Enterprise of Shandong Province" by the Industrial and Information Technology Department. In June 2022, it was identified as a "Gazelle Enterprise of Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
An automated maintenance system for carbon dioxide tanks typically includes the following main components: - Pressure Maintenance System: Monitors and adjusts the internal pressure of the tank to ensure the CO2 inside remains within a safe and stable pressure range. This system includes pressure sensors, control systems, pressure regulators, and pressure reserve devices. - Temperature Control System: Monitors and adjusts the internal temperature of the tank to maintain the CO2 within an appropriate temperature range. This system includes temperature sensors, control systems, and temperature regulators. - Level Monitoring System: Measures and monitors the liquid level inside the tank to ensure the CO2 level is within a safe range. This system can utilize float level gauges, pressure level gauges, and ultrasonic level gauges. - Leak Detection System: Monitors leaks in the tank and pipeline systems, enabling timely detection and alarms. This system can employ gas sensors, liquid sensors, and leak alarms. - Fire Detection and Extinguishing System: Monitors fire conditions in the tank area and takes appropriate extinguishing measures. The system includes fire detectors, alarms, and extinguishing equipment. - Remote Monitoring and Control System: Monitors and controls the operational status and parameters of the tank remotely, enabling remote operation and management. This system can be network-connected to provide real-time data and remote control functions. These are the main components of a typical automated maintenance system for carbon dioxide tanks. The specific system configuration and functions can be customized according to the tank's design requirements and application scenarios. These automated maintenance systems enhance the tank's safety, stability, and reliability, reducing the need for manual intervention and operational risks.

Carbon dioxide cylinders are safe when used and maintained properly, but can pose some dangers if safety procedures are not followed or there are incorrect operations. Here are some potential hazards associated with carbon dioxide cylinders: High-pressure hazard: Carbon dioxide cylinders are typically used to store high-pressure CO2 gas, posing a high-pressure risk. If the cylinder is damaged, overheated, or over-pressurized, it may explode or leak, causing personal injury and property damage. Asphyxiation hazard: Carbon dioxide is an asphyxiating gas; high concentrations can displace oxygen in the air, leading to asphyxiation. When using carbon dioxide cylinders in enclosed spaces, ensure adequate ventilation and oxygen supply to avoid asphyxiation risks. Freezing hazard: Liquid CO2 is extremely cold, and contact with it can cause cold injury. Follow proper operational procedures and use appropriate personal protective equipment to prevent cold injury. Fire hazard: Although carbon dioxide itself is not flammable, it can suppress oxygen supply at high concentrations, potentially extinguishing fires. However, if CO2 leaks into the air, it may form flammable mixtures, increasing the risk of fire. To ensure safety, adhere to relevant safety operating procedures and guidelines when using carbon dioxide cylinders and receive necessary training. Regularly inspect and maintain the cylinders, following the manufacturer's recommendations and local regulations to reduce potential hazards. In case of abnormal conditions or leaks, take appropriate emergency measures immediately and notify relevant personnel.

Here are some common protective techniques for carbon dioxide storage tanks: Fire and Explosion Prevention Measures: Set up fire-resistant buffer zones around the tank, keeping it away from fire sources and flammable materials. The tank itself should have fire and explosion prevention measures, such as fire-resistant coatings and explosion-proof devices, to prevent fires and explosions. Leak Detection and Alarm Systems: The tank should be equipped with leak detection and alarm systems to promptly detect and alert of any leakage. Regularly inspect and maintain the leak detection equipment to ensure proper functioning. Regular Inspections and Maintenance: Regularly check the tank's exterior, valves, and connections to ensure they are intact. Conduct regular leak inspections and pressure tests to ensure the tank's safety performance meets requirements. Emission Treatment: Treat the waste gases produced by the carbon dioxide storage tank to avoid environmental pollution. Implement appropriate emission treatment measures, such as collecting and treating the waste gases. Static Protection: Take static protection measures to prevent static accumulation and discharge. Use anti-static equipment and tools to ensure static safety during operations. Safety Training and Awareness: Conduct safety training for operators to enhance their awareness and ability to handle carbon dioxide storage tanks safely. Regularly hold safety training and drills to respond to emergencies. Management Records and Documentation: Establish comprehensive management records and documentation, including the tank's usage, inspection, and maintenance records. Regularly review and update management records to ensure safe management and maintenance of the tank. It should be noted that the above are common protective techniques, and specific techniques may vary depending on the type of tank and application. When using carbon dioxide storage tanks, operate according to relevant specifications and standards and consult experts to ensure safety and effectiveness.

When spraying on CO2 storage tanks, attention should be given to the following issues: - Surface Preparation: Prior to spraying, thorough surface preparation of the tank is essential. This involves cleaning the surface, removing grease, dirt, and old coatings to ensure the adhesion and quality of the spray. - Paint Selection: Choosing the right paint for CO2 storage tanks is crucial. The paint should have corrosion-resistant, high-temperature resistance, and chemical resistance properties to protect the tank surface from corrosion and damage. - Spraying Technique: The choice and operation of spraying techniques are critical for the quality and uniformity of the coating. Appropriate spraying equipment and methods should be selected to ensure the paint covers the entire tank surface evenly, and to avoid dripping and sagging of the paint. - Coating Thickness: The thickness of the coating is vital for the protective effect of the tank. The thickness of the coating should be controlled according to the paint requirements and the storage environment of the tank to ensure the protective performance and lifespan of the coating. - Drying and Curing: After the coating is completed, sufficient time for drying and curing must be allowed. Follow the correct drying time and conditions according to the paint requirements to ensure the quality and performance of the coating. - Safety Measures: Appropriate safety measures must be taken during the spraying process, including wearing protective eyewear, respirators, and protective clothing to ensure the safety of the operators. - Quality Inspection: After spraying, quality inspection should be conducted, including the appearance, adhesion, and thickness of the coating. Any issues or defects should be repaired and addressed promptly. Note that spraying CO2 storage tanks should be carried out by professionals.
Our company attaches great importance to technological innovation and research and development. We have 1 municipal-level enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical tests, welding tests, hydrostatic tests, etc. We are equipped with over 600 pieces of equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products we have developed, such as welding for temperature-pressure vessels, biomass boiler emissions reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology Science and Technology Innovation projects, key projects in Shandong Province, and Heze City innovation and excellence projects, etc. We have accumulated 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Li Yajiang of Shandong University, has jointly developed deep cryogenic container processing technology, utilizing the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement evaluation has determined that our technology level in the field of deep cryogenic container manufacturing has reached international standards. Choose Zhongjie Special Equipment, let's join hands to create brilliance!